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Finding the Fourth Proportional to 364,085.76, 546,123.24 and 221,972.88

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Solution

The fourth proportional to 364,085.76, 546,123.24 and 221,972.88 is: 332,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,085.76 : 546,123.24 = 221,972.88 : x
  2. Step 2: Convert to fraction form
    364,085.76/546,123.24 = 221,972.88/x
  3. Step 3: Cross multiply
    364,085.76x = 546,123.24 × 221,972.88
  4. Step 4: Simplify right side
    364,085.76x = 121,224,548,417.73
  5. Step 5: Solve for x
    x = 121,224,548,417.73/364,085.76
  6. Step 6: Final answer
    x = 332,956.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.